feat: add WatchMedium field, general review editing, configurable deploy

- WatchMedium enum (cinema/streaming/tv/physical_media/download/media_server/other)
- PATCH /api/v1/reviews/:id partial update (rating, comment, watched_at, watch_medium)
- edit_review use case w/ ownership + remote review guard, best-effort AP Update broadcast
- SPA: icon picker, edit sheet (long-press mobile / pencil desktop), watch medium badge
- shared ReviewFormFields, EditableContextMenu, parse_watched_at/format_watched_at
- deploy.sh parameterized (--features, --tag), CORS allows PATCH
- CONTEXT.md glossary, ADR-0001 general review editing

crates/presentation/src/handlers/movies.rs

@@ -183,8 +183,9 @@ pub async fn get_movie_detail(
                     user_display: e.user_display_name().to_string(),
                     rating: e.review().rating().value(),
                     comment: e.review().comment().map(|c| c.value().to_string()),
-                    watched_at: e.review().watched_at().to_string(),
+                    watched_at: domain::value_objects::format_watched_at(e.review().watched_at()),
                     is_federated: e.review().is_remote(),
+                    watch_medium: e.review().watch_medium().map(|wm| wm.to_string()),
                 })
                 .collect(),
             total_count: result.reviews.total_count,